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2220010220 = 225472361713
BaseRepresentation
bin1000010001010010…
…1010101011101100
312201201100012111202
42010110222223230
514021310311340
61004142305032
7106004530001
oct20424525354
95651305452
102220010220
11a3a15759a
1251b588178
13294c1961c
14170ba98a8
15ced70c15
hex8452aaec

2220010220 has 24 divisors (see below), whose sum is σ = 4761215424. Its totient is φ = 869110016.

The previous prime is 2220010211. The next prime is 2220010241. The reversal of 2220010220 is 220100222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179917 + ... + 1181796.

It is an arithmetic number, because the mean of its divisors is an integer number (198383976).

Almost surely, 22220010220 is an apocalyptic number.

2220010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220010220 is an abundant number, since it is smaller than the sum of its proper divisors (2541205204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220010220 is a wasteful number, since it uses less digits than its factorization.

2220010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361769 (or 2361767 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2220010220 is about 47116.9844111441. The cubic root of 2220010220 is about 1304.5227518495.

Adding to 2220010220 its reverse (220100222), we get a palindrome (2440110442).

The spelling of 2220010220 in words is "two billion, two hundred twenty million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 2361713 4723426 9446852 11808565 23617130 47234260 111000511 222001022 444002044 555002555 1110005110 2220010220